.box {
    padding-left: 20px;
    padding-right: 20px;
    border: 1px solid #ccc;
    margin-bottom: 10px;
}

.box-tit {
    padding: 7px 0;
    border-bottom: 1px solid #ccc;
}

.box-fj {
    padding: 10px 0;
    border-top: 1px solid #ccc;
}

.box-con {
    position: relative;
    z-index: 1;
}

.title {
    text-align: center;
    font-size: 16px;
    font-weight:600;
}

img {
    height: 150px;
}

p {
    padding: 10px 0;
}

.mask {
    position: absolute;
    top: 0;
    bottom: 0;
    display: none;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.3);
    cursor: pointer;
}

.mask span {
    position: absolute;
    top: 50%;
    left: 38%;
    color: #fff;
}

.box-con:hover .mask {
    display: block;
}